Mexican border period
(30) The term “Mexican border period” means the period beginning on May 9, 1916 , and ending on April 5, 1917 , in the case of a veteran who during such period served in Mexico, on the borders thereof, or in the waters adjacent thereto.
Source
38 USC § 101(30)
Scoping language
None identified, default scope is assumed to be the parent (chapter 1) of this section.